105
B. Remote Interface Reference
B.1 An Introduction to the SCPI Language
SCPI (
Standard Commands for Programmable Instruments
) is an ASCII-based
instrument command language designed for test and measurement instruments.
SCPI commands are based on a hierarchical structure, also known as a
tree system
. In
this system, associated commands are grouped together under a common node or root,
thus forming
subsystems
. A portion of the SENSe subsystem is shown below to illustrate
the tree system.
[SENSe:]
VOLTage:
DC:RANGe {<
range
>|MINimum|MAXimum}
VOLTage:
DC:RANGe? [MINimum|MAXimum]
FREQuency:
VOLTage:RANGe {<
range
>|MINimum|MAXimum}
FREQuency:
VOLTage:RANGe? [MINimum|MAXimum]
DETector:
BANDwidth {3|20|200|MINimum|MAXimum}
DETector:
BANDwidth? [MINimum|MAXimum]
ZERO:
AUTO {OFF|ONCE|ON}
ZERO:
AUTO?
SENSe is the root keyword of the command, VOLTage and FREQuency are second-level
keywords, and DC and VOLTage are third-level keywords. A
colon
(
:
) separates a
command keyword from a lower-level keyword.
Command Format Used in This Manual
The format used to show commands in this manual is shown below:
VOLTage:DC:RANGe {<
range
>|MINimum|MAXimum}
Summary of Contents for DL-2060
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